81754379

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{1151}}^1$

素因数の和:1370

約数の個数: 16

約数和(自身を含む): 95477760

約数和(自身を除く): 13723381

約数列:

[1, 7, 73, 139, 511, 973, 1151, 8057, 10147, 71029, 84023, 159989, 588161, 1119923, 11679197, 81754379]

約数ペア:

[(1, 81754379), (7, 11679197), (73, 1119923), (139, 588161), (511, 159989), (973, 84023), (1151, 71029), (8057, 10147)]